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path: root/drivers/gpu/drm/nouveau/nouveau_channel.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_channel.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_channel.c34
1 files changed, 18 insertions, 16 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_channel.c b/drivers/gpu/drm/nouveau/nouveau_channel.c
index a018defb762..44e6416d4a3 100644
--- a/drivers/gpu/drm/nouveau/nouveau_channel.c
+++ b/drivers/gpu/drm/nouveau/nouveau_channel.c
@@ -122,7 +122,7 @@ nouveau_channel_alloc(struct drm_device *dev, struct nouveau_channel **chan_ret,
struct nouveau_fpriv *fpriv = nouveau_fpriv(file_priv);
struct nouveau_channel *chan;
unsigned long flags;
- int ret;
+ int ret, i;
/* allocate and lock channel structure */
chan = kzalloc(sizeof(*chan), GFP_KERNEL);
@@ -184,7 +184,7 @@ nouveau_channel_alloc(struct drm_device *dev, struct nouveau_channel **chan_ret,
return ret;
}
- nouveau_dma_pre_init(chan);
+ nouveau_dma_init(chan);
chan->user_put = 0x40;
chan->user_get = 0x44;
if (dev_priv->card_type >= NV_50)
@@ -202,9 +202,18 @@ nouveau_channel_alloc(struct drm_device *dev, struct nouveau_channel **chan_ret,
pfifo->reassign(dev, true);
- ret = nouveau_dma_init(chan);
- if (!ret)
- ret = nouveau_fence_channel_init(chan);
+ /* Insert NOPs for NOUVEAU_DMA_SKIPS */
+ ret = RING_SPACE(chan, NOUVEAU_DMA_SKIPS);
+ if (ret) {
+ nouveau_channel_put(&chan);
+ return ret;
+ }
+
+ for (i = 0; i < NOUVEAU_DMA_SKIPS; i++)
+ OUT_RING (chan, 0x00000000);
+ FIRE_RING(chan);
+
+ ret = nouveau_fence_channel_init(chan);
if (ret) {
nouveau_channel_put(&chan);
return ret;
@@ -427,18 +436,11 @@ nouveau_ioctl_fifo_alloc(struct drm_device *dev, void *data,
}
if (dev_priv->card_type < NV_C0) {
- init->subchan[0].handle = NvM2MF;
- if (dev_priv->card_type < NV_50)
- init->subchan[0].grclass = 0x0039;
- else
- init->subchan[0].grclass = 0x5039;
- init->subchan[1].handle = NvSw;
- init->subchan[1].grclass = NV_SW;
- init->nr_subchan = 2;
- } else {
- init->subchan[0].handle = 0x9039;
- init->subchan[0].grclass = 0x9039;
+ init->subchan[0].handle = NvSw;
+ init->subchan[0].grclass = NV_SW;
init->nr_subchan = 1;
+ } else {
+ init->nr_subchan = 0;
}
/* Named memory object area */